MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Manufacturing Engineering Questions & Answers Introduction to Plastics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Thermosetting plastics become softer upon heating. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
Thermoplastics become softer upon heating. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Which of the following is a secondary bond network of thermoplastics? |
| A. | 1-Dimensional |
| B. | 3-Dimensional |
| C. | 2-Dimensional |
| D. | 0-Dimensional |
| Answer» B. 3-Dimensional | |
| 4. |
Thermoplastics have _____________ |
| A. | 1-Degree bond |
| B. | 2-Degree bond |
| C. | 3-Degree bond |
| D. | 0-Degree bond |
| Answer» C. 3-Degree bond | |
| 5. |
Which of the following is a primary bond network of thermosetting plastics? |
| A. | 1-Dimensional |
| B. | 3-Dimensional |
| C. | 2-Dimensional |
| D. | 0-Dimensional |
| Answer» C. 2-Dimensional | |
| 6. |
Thermosetting plastics have ____________ |
| A. | 1-Degree bond |
| B. | 2-Degree bond |
| C. | 3-Degree bond |
| D. | 0-Degree bond |
| Answer» B. 2-Degree bond | |
| 7. |
The polymerization of two or more chemically different monomers forming a cross link polymer along with a by-product (can be either water or ammonia) is termed as ____________ |
| A. | addition polymerization |
| B. | copolymerization |
| C. | condensation polymerization |
| D. | chain-growth polymerization |
| Answer» D. chain-growth polymerization | |
| 8. |
The polymerization of two or more chemically different monomers forming a long molecular chain is termed as ____________ |
| A. | addition polymerization |
| B. | copolymerization |
| C. | condensation polymerization |
| D. | chain growth polymerization |
| Answer» C. condensation polymerization | |
| 9. |
The polymerization of two or more chemically similar monomers forming a long molecular chain is termed as ____________ |
| A. | addition polymerization |
| B. | copolymerization |
| C. | condensation polymerization |
| D. | step-growth polymerization |
| Answer» B. copolymerization | |